package chapter03;

/**
 * Created by Miracle yaochengwei on 2022/3/30 11:42
 */
public class IntDetail {
    //编写一个main方法
    public static void main(String[] args){

//Java 的整型常量（具体值）默认为 int 型，声明 long 型常量须后加‘l’或‘L’
        int n1 = 1;//4
        //int n2 = 1L; 报错
        Long N2 = 1L;

    }
}
